| Arter | Namn |
|---|---|
| Tridentata marginata (Kirchenpauer, 1884) | Tridentata marginata (p. 393 ) |
| Tridentata tumida (Allman, 1877) | Tridentata tumida (p. 393 ) |
| Tridentata turbinata (Lamouroux, 1816) | Tridentata turbinata (p. 393 ) |
| Turritopsis fascicularis Fraser, 1943 | Turritopsis fascicularis (p. 388 ) |
| Turritopsis nutricula Mccrady, 1859 | Turritopsis nutricula (p. 388 ) |
| Velella velella (Linnaeus, 1758) | Velella velella (p. 389 ) |
| Zanclea alba (Meyen, 1834) | Zanclea alba (p. 389 ) |
| Zygophylax convallarius (Allman, 1877) | Zygophylax convallarius (p. 392 ) |